Fig. 2

Antibody responses against LukM. IgG1 (a, b, c) and IgG2 (d, e, f) antibodies specific for LukM measured in serum (a, d), colostrum (b, e) and milk (c, f). S/P = Sample to positive ratio. + = P < 0,05 before correction for multiple comparisons. * = P < 0,05 after correction for multiple comparisons